In ΔABC, DE || BC such that AD/ DB = 3/5. If AC = 5.6 then AE = ?
BY Basic Proportionality Theorem:
If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.
= 
= 
3 (
= 5 AE
16.8 = 8AE
AE = 2.1 cm
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